The atmosphere of Venus

Details The atmosphere of Venus The atmosphere of Venus

Jul 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981sciam.245...66s&link_type=abstract

Scientific American, vol. 245, July 1981, p. 66-74.

Computer Science

3

Atmospheric Composition, Atmospheric Radiation, Atmospheric Temperature, Venus Atmosphere, Venus Clouds, Carbon Dioxide, Pioneer Venus Spacecraft, Sulfuric Acid, Temperature Profiles, Venus Probes, Wind Velocity, Venus, Atmosphere, Carbon Dioxide, Clouds, Sulfuric Acid, Winds, Waves, Velocity, Diagrams, Photographs, Ultraviolet, Observations, Absorption, Pioneer Venus Orbiter, Temperatures, Comparisons, Patterns, Wavelengths, Circulation, Hadley Cells, Composition, Layering, Thermosphere, Motion, Tropospher

Scientific paper

A comprehensive assessment is presented of the past decade's findings on the nature of the Venusian atmosphere. It is now known that the atmospheric composition of Venus is 96% CO2, with clouds composed of liquid droplets of sulfuric acid with an admixture of water. The atmosphere is more than 90 times more massive than that of earth, with clouds forming three continuous layers at altitudes between 45 and 60 km. The winds of Venus are dominated by a planet-wide east-to-west circulation that attains velocities of 360 km/hr at the altitude of the cloud tops. The planet also turns east-to-west, but with a rotational period of 243 earth days is exceeded by a factor of more than 60 by the superrotating atmosphere. Extensive graphic presentations are given of the temperature and stability profiles of the atmosphere, radiation balance, wind patterns and such phenomena as Hadley cells.

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